package net.minecraft.client.gui;

import java.io.IOException;
import net.minecraft.client.resources.I18n;
import net.minecraft.world.storage.ISaveFormat;
import net.minecraft.world.storage.WorldInfo;
import org.lwjgl.input.Keyboard;

public class GuiRenameWorld extends GuiScreen {
	private GuiScreen parentScreen;
	private GuiTextField field_146583_f;
	private final String saveName;

	public GuiRenameWorld(GuiScreen parentScreenIn, String saveNameIn) {
		this.parentScreen = parentScreenIn;
		this.saveName = saveNameIn;
	}

	/**
	 * Called from the main game loop to update the screen.
	 */
	public void updateScreen() {
		this.field_146583_f.updateCursorCounter();
	}

	/**
	 * Adds the buttons (and other controls) to the screen in question. Called when
	 * the GUI is displayed and when the window resizes, the buttonList is cleared
	 * beforehand.
	 */
	public void initGui() {
		Keyboard.enableRepeatEvents(true);
		this.buttonList.clear();
		this.buttonList.add(new GuiButton(0, this.width / 2 - 100, this.height / 4 + 96 + 12,
				I18n.format("selectWorld.renameButton", new Object[0])));
		this.buttonList.add(new GuiButton(1, this.width / 2 - 100, this.height / 4 + 120 + 12,
				I18n.format("gui.cancel", new Object[0])));
		ISaveFormat isaveformat = this.mc.getSaveLoader();
		WorldInfo worldinfo = isaveformat.getWorldInfo(this.saveName);
		String s = worldinfo.getWorldName();
		this.field_146583_f = new GuiTextField(2, this.fontRendererObj, this.width / 2 - 100, 60, 200, 20);
		this.field_146583_f.setFocused(true);
		this.field_146583_f.setText(s);
	}

	/**
	 * Called when the screen is unloaded. Used to disable keyboard repeat events
	 */
	public void onGuiClosed() {
		Keyboard.enableRepeatEvents(false);
	}

	/**
	 * Called by the controls from the buttonList when activated. (Mouse pressed for
	 * buttons)
	 */
	protected void actionPerformed(GuiButton button) throws IOException {
		if (button.enabled) {
			if (button.id == 1) {
				this.mc.displayGuiScreen(this.parentScreen);
			} else if (button.id == 0) {
				ISaveFormat isaveformat = this.mc.getSaveLoader();
				isaveformat.renameWorld(this.saveName, this.field_146583_f.getText().trim());
				this.mc.displayGuiScreen(this.parentScreen);
			}
		}
	}

	/**
	 * Fired when a key is typed (except F11 which toggles full screen). This is the
	 * equivalent of KeyListener.keyTyped(KeyEvent e). Args : character (character
	 * on the key), keyCode (lwjgl Keyboard key code)
	 */
	protected void keyTyped(char typedChar, int keyCode) throws IOException {
		this.field_146583_f.textboxKeyTyped(typedChar, keyCode);
		((GuiButton) this.buttonList.get(0)).enabled = this.field_146583_f.getText().trim().length() > 0;

		if (keyCode == 28 || keyCode == 156) {
			this.actionPerformed((GuiButton) this.buttonList.get(0));
		}
	}

	/**
	 * Called when the mouse is clicked. Args : mouseX, mouseY, clickedButton
	 */
	protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException {
		super.mouseClicked(mouseX, mouseY, mouseButton);
		this.field_146583_f.mouseClicked(mouseX, mouseY, mouseButton);
	}

	/**
	 * Draws the screen and all the components in it. Args : mouseX, mouseY,
	 * renderPartialTicks
	 */
	public void drawScreen(int mouseX, int mouseY, float partialTicks) {
		this.drawDefaultBackground();
		this.drawCenteredString(this.fontRendererObj, I18n.format("selectWorld.renameTitle", new Object[0]),
				this.width / 2, 20, 16777215);
		this.drawString(this.fontRendererObj, I18n.format("selectWorld.enterName", new Object[0]), this.width / 2 - 100,
				47, 10526880);
		this.field_146583_f.drawTextBox();
		super.drawScreen(mouseX, mouseY, partialTicks);
	}
}
